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| Date | Name | Title | Action | No Shares | Price Per Share |
|---|---|---|---|---|---|
Insider Transactions For PRTA | |||||
| 2026-08-10 | Scully, William P | 10% Owner | Purchased | 251553 | $0.00 |
| 2026-08-07 | Scully, William P | 10% Owner | Purchased | 34000 | $8.62 |
| 2026-08-07 | Scully, William P | 10% Owner | Purchased | 3500 | $8.62 |
| 2026-07-29 | Isaacs, Michael John | General Counsel & Company Sec. | Sold | 8386 | $8.47 |
| 2026-07-29 | Kingston, Anne Evans | Chief Strategy Officer | Sold | 7662 | $8.47 |
| 2026-07-28 | Kinney, Gene G. | Director, President and CEO | Sold | 84000 | $0.00 |
| 2026-07-28 | Kinney, Gene G. | Director, President and CEO | Sold | 84000 | $8.56 |
| 2026-07-28 | Kinney, Gene G. | Director, President and CEO | Purchased | 84000 | $0.00 |
| 2026-07-28 | Nguyen, Tran | Chief Strategy Officer and CFO | Sold | 57000 | $0.00 |
| 2026-07-28 | Nguyen, Tran | Chief Strategy Officer and CFO | Sold | 57000 | $8.56 |
| 2026-07-28 | Nguyen, Tran | Chief Strategy Officer and CFO | Purchased | 57000 | $0.00 |
| 2026-07-28 | Smith, Brandon S. | Chief Operating Officer | Purchased | 78000 | $0.00 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Sold | 51000 | $0.00 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Sold | 3467 | $8.56 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Sold | 40800 | $8.56 |
| 2026-07-28 | Swanson, Chad J. | Chief Development Officer | Purchased | 51000 | $0.00 |
| 2026-07-28 | Walker, Karin L | Chief Accounting Officer | Sold | 15000 | $0.00 |
| 2026-07-28 | Walker, Karin L | Chief Accounting Officer | Sold | 15000 | $8.56 |
| 2026-07-28 | Walker, Karin L | Chief Accounting Officer | Purchased | 15000 | $0.00 |
| 2026-07-28 | Zago, Wagner M. | Chief Scientific Officer | Sold | 51000 | $0.00 |
